Measurements:
°C
°F
CURRENT WEATHER
14:59
Sanibel Island
92°F
E 16 mph
Feels like: 102°F
Precip: 0%
World Resorts USA Sanibel Island Weather

7 Day Weather Forecast

05.14
thu
DAY
92°F
E 12 mph
precip
0%
NIGHT
80°F
SE 14 mph
precip
0%
05.15
fri
DAY
84°F
E 5 mph
precip
0%
NIGHT
82°F
SE 6 mph
precip
0%
05.16
sat
DAY
84°F
N 8 mph
precip
0%
NIGHT
82°F
W 9 mph
precip
100%
05.17
sun
DAY
88°F
NW 8 mph
precip
100%
NIGHT
80°F
SW 12 mph
precip
0%
05.18
mon
DAY
88°F
NW 9 mph
precip
100%
NIGHT
82°F
W 13 mph
precip
0%
05.19
tue
DAY
86°F
NW 9 mph
precip
27%
NIGHT
80°F
W 7 mph
precip
0%
05.20
wed
DAY
86°F
NW 9 mph
precip
0%
NIGHT
82°F
W 8 mph
precip
100%

Sanibel Island Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Sanibel Island was 28.4°F. The maximum and minimum values were 26.2°F and 31.0°F respectively.

Sanibel Island on the Weather Map

Best Time to Visit Sanibel Island
The most sunny months:
March 19 days
April 18 days
December 17 days
The most warm months:
August 92.2 °F
July 92.2 °F
September 90.7 °F
Warmest sea temperature:
August 91.8 °F
July 91.4 °F
September 90.3 °F
The most cold months:
January 71.3 °F
December 74.5 °F
February 75.1 °F
The most rainy months:
June 6 days
July 5 days
August 4 days
The most windy months:
October 10 mph
November 10 mph
January 10 mph
more details